kern/58227: Add support for proc/sysvipc in Linux emulator

[rbranco%suse.de@localhost]

>Number:         58227
>Category:       kern
>Synopsis:       Add support for proc/sysvipc in Linux emulator
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon May 06 16:00:01 +0000 2024
>Originator:     Ricardo Branco
>Release:        NetBSD 10.99.10
>Organization:
>Environment:
NetBSD netbsdx 10.99.10 NetBSD 10.99.10 (CUSTOM) amd64

>Description:
procfs: Support sysvipc/{msg,sem,shm} used by linux
>How-To-Repeat:

>Fix:
https://github.com/NetBSD/src/pull/36